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Use of Terminal Forecasts in TFM Planning One Airline Rep’s Perspective

Use of Terminal Forecasts in TFM Planning One Airline Rep’s Perspective. Tom Fahey, Mgr. Meteorology, Delta Air Lines, Inc. FPAW Segment 9 01 Nov 2012. TAF & Wind Impact on ATM. KXYZ 010927Z 0109/0206 24005KT 3/4SM -RADZ OVC004 FM011400 30018G30KT P6SM BKN020

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Use of Terminal Forecasts in TFM Planning One Airline Rep’s Perspective

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  1. Use of Terminal Forecastsin TFM PlanningOne Airline Rep’s Perspective Tom Fahey, Mgr. Meteorology, Delta Air Lines, Inc. FPAW Segment 9 01 Nov 2012

  2. TAF & Wind Impact on ATM KXYZ 010927Z 0109/0206 24005KT 3/4SM -RADZ OVC004 FM011400 30018G30KT P6SM BKN020 FM020200 32010KT P6SM VCSH OVC050 PROB30 TS KXYZ = Hub Airport Wind: 24005KT, 30018G30KT, 32010KT • Plan: Runway(s) to be used. • Known: Approx Airport Capacity (arrival/departure rate) • Known: Volume of Flights Scheduled • Important Factors: Wx -Wind Values & Direction Shift Timing, Impact calculations - Crosswinds, etc. • Missing: Winds Above the Surface. Compression Issues.

  3. TAF & Cig/Vis Impact on ATM KXYZ 010927Z 0109/0206 24005KT 3/4SM -RADZ OVC004 FM011400 30018G30KT P6SMBKN020 FM020200 32010KT P6SM VCSH OVC050 PROB30 TS Vis & Ceilings: 3/4SM, P6SM & OVC004, BKN020, OVC050 • Plan: Visual or Instrument Approaches • Known: Airport Capabilities/Limitations • Known: Operator Capabilities/Limitations • Important Factors: Timing & Values, Estimated Impact • Missing: RVR, but can be inferred

  4. TAF & Present Wx Impact on ATM KXYZ 010927Z 0109/0206 24005KT 3/4SM -RADZ OVC004 FM011400 30018G30KT P6SM BKN020 FM020200 32010KT P6SM VCSH OVC050 PROB30 TS Present Weather: -RADZ, VCSH, TS • Plan: Convection at/near airport, Winter Precip at airport • Known: Approximate impact on air traffic • Known: Approximate Operator capability • Important Factors: Timing - Tstrms & Winter Precip Tstrms in vicinity (VC = 5 to 10nm) , Winter Precip - Intensity • Missing: Tstrm - Beyond 10 nm & Coverage/Location

  5. Conclusion • TAF is not the only source of Forecast info • Future Focus for TAF or Other Products • All Variables: More detailed timing. • Tstrms & Winds: TRACON area

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